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ASTC · NASDAQ · Aerospace & Defense

Astrotech (ASTC)

Commercializes mass-spectrometry technology through application-specific security and analytical devices.

$7.07
After hours+0.02 (+0.28%)
At close$7.05(+9.47%)

13F · 13D/G · Form 4

Institutions9.78%172.0K shares
17 holders · as of Jun 30, 2026
Insiders31.70%557.6K shares
11 holders · as of Sep 8, 2026
Other58.52%1.03M shares
remainder

1.76M company shares as of Sep 22, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing

Two share counts disagree (1.76M in the company's Sep 22, 2026 report, 2.01M elsewhere); stakes use the report.

13F · 13D/G · Form 4

HolderStakeSharesDate
Braden M LeonardInsider
13.19%232,065filed Jun 26, 2023
Thomas Boone III PickensInsiderdirector, officer: CEO
10.31%181,385filed May 16, 2025
Jane Street Group, LLCInstitution
3.12%54,799as of Jun 30, 2026
Tom WilkinsonInsiderdirector
1.76%30,923filed Jul 21, 2026
J. Safra Sarasin Holding AGInstitution
1.55%27,300as of Jun 30, 2026
Charles Arch WinnInsiderdirector
1.37%24,100filed Sep 1, 2026
Thomas Wiley WilkinsonInsiderdirector
1.36%23,862filed May 16, 2025
Vanguard Capital Management LLCInstitution
1.27%22,356as of Jun 30, 2026
Robert N. McfarlandInsiderdirector
1.19%20,961filed Sep 8, 2026
BlackRock, Inc.Institution
1.15%20,188as of Jun 30, 2026
Eric StoberInsiderdirector
1.12%19,654filed Sep 8, 2026
Geode Capital Management, LLCInstitution
0.88%15,533as of Jun 30, 2026
John William HalinskiInsiderdirector
0.69%12,211filed Sep 8, 2026
State Street CorpInstitution
0.63%11,068as of Jun 30, 2026
SCS Capital Management LLCInstitution
0.63%11,000as of Jun 30, 2026
Vanguard Fiduciary Trust CoInstitution
0.45%7,956as of Jun 30, 2026
Jennifer CanasInsiderofficer: Chief Financial Officer
0.30%5,250filed Jun 4, 2025
Nihanth BaduguInsiderofficer: Chief Operating Officer
0.28%5,000filed Jul 23, 2026
Matthew KrepsInsiderdirector
0.12%2,150filed Jul 20, 2026
Jones Financial Companies LLLPInstitution
0.05%886as of Jun 30, 2026
Tower Research Capital LLC (TRC)Institution
0.04%667as of Jun 30, 2026
Morgan StanleyInstitution
0.00%77as of Jun 30, 2026
UBS Group AGInstitution
0.00%64as of Jun 30, 2026
Federation Des Caisses Desjardins du QuebecInstitution
0.00%23as of Jun 30, 2026
Wells Fargo & Company/MNInstitution
0.00%20as of Jun 30, 2026

13F, as of Jun 30, 2026

17 holders · 172.0K shares · 4 new positions · 7 increased · 6 reduced · 2 closed

HolderShares% outstandingChg q/qFiled
Jane Street Group, LLC54.8K3.12%+54.8KnewAug 14, 2026
J. Safra Sarasin Holding AG27.3K1.55%0Jul 31, 2026
Vanguard Capital Management LLC22.4K1.27%+13.2KAug 13, 2026
BlackRock, Inc.20.2K1.15%0Aug 7, 2026
Geode Capital Management, LLC15.5K0.88%−3.8KAug 12, 2026
State Street Corp11.1K0.63%+11.1KnewAug 7, 2026
SCS Capital Management LLC11.0K0.63%−761Aug 6, 2026
Vanguard Fiduciary Trust Co8.0K0.45%+3.6KAug 13, 2026

13D/G · 5% or more, as filed

No 13D/G filer at 5% or more on record.

Form 4

Latest trades

DateInsiderTypeSharesAvg priceOwned after
Mar 15, 2024
Robert N. Mcfarlanddirector
Purchase1,185$8.5010,900
Oct 3, 2025
Braden Michael Leonard10 percent owner
Sale · 2 lots229,576$7.080

House and Senate disclosures

Not reported.